See inline
On 7/15/21 2:48 PM, Marco Gaiarin wrote:
I'm a bit puzzled.
A little 'ZFS' cluster, with two asymmetrical nodes; second node is
there only, just in case, to run some little VMs (PBX, firewall, ...).
First node have a second RAIDZ volume called 'rpool-data', that does
not exist on second node; eg, storage.conf is:
dir: local
path /var/lib/vz
content iso,vztmpl,backup
zfspool: local-zfs
pool rpool/data
content images,rootdir
sparse 1
zfspool: rpool-data
pool rpool-data
content images,rootdir
mountpoint /rpool-data
sparse 1
Clearly on node 2 'rpool-data' have a question mark.
I've tried to migrate a VMs from node 2 to 1 that have disks only on
'local-zfs':
root@brpve1:~# grep ^scsi /etc/pve/nodes/brpve2/qemu-server/100.conf
scsi0: local-zfs:vm-100-disk-0,size=100G
scsi1: local-zfs:vm-100-disk-1,backup=0,size=1000G
scsi2: local-zfs:vm-100-disk-2,backup=0,size=500G
scsihw: virtio-scsi-pci
but i get:
2021-07-15 14:14:54 starting migration of VM 100 to node 'brpve1' (10.15.5.21)
zfs error: cannot open 'rpool-data': no such pool
zfs error: cannot open 'rpool-data': no such pool
2021-07-15 14:14:54 ERROR: Problem found while scanning volumes - could not
activate storage 'rpool-data', zfs error: cannot import 'rpool-data': no such
pool available
2021-07-15 14:14:54 aborting phase 1 - cleanup resources
2021-07-15 14:14:54 ERROR: migration aborted (duration 00:00:00): Problem
found while scanning volumes - could not activate storage 'rpool-data', zfs
error: cannot import 'rpool-data': no such pool available
TASK ERROR: migration aborted
Because in 'rpool-data' currently we have no data, i've simply disabled
storage 'rpool-data', migrate the machine and then re-enabled back.
Why migration does not work, even if there's no disks in 'rpool-data'?
Thre's some way to 'fake' an 'rpool-data' on the second node, only to
have PVE not to complain?
You can limit storages to certain nodes. To do this via the GUI, edit the
storage and in the top right of that dialog, you should be able to select the
nodes on which the storage exists. Otherwise you will run into certain problems
as Proxmox VE expects the underlying storage to be present on the nodes.
Thanks.
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